hg: jdk/sandbox: unixdomainchannels: add serialisation test and minor print fix

[julia.boes at oracle.com]

Changeset: 8fd60fbec817
Author:    jboes
Date:      2020-04-27 14:34 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/8fd60fbec817

unixdomainchannels: add serialisation test and minor print fix

! test/jdk/java/nio/channels/spi/SelectorProvider/inheritedChannel/UnixDomainChannelTest.java
+ test/jdk/java/nio/channels/unixdomain/UnixDomainSocketAddressSerializationTest.java